Catalyst – solid sorbent – or support therefor: product or process – Solid sorbent – Silicon containing
Reexamination Certificate
2011-07-19
2011-07-19
Brunsman, David M. (Department: 1732)
Catalyst, solid sorbent, or support therefor: product or process
Solid sorbent
Silicon containing
C502S400000, C502S414000, C502S262000, C502S350000, C502S304000, C502S355000, C502S349000, C423S700000
Reexamination Certificate
active
07981834
ABSTRACT:
An object of the present invention is to improve hydrocarbon adsorbing property when zeolite is used as an adsorbent for hydrocarbons. The present invention provides an adsorbent for hydrocarbons characterized by comprising A Type of β-zeolite having a SiO2/Al2O3ratio (molar ratio) in a range of 10 or more and less than 200 and B Type of β-zeolite having a SiO2/Al2O3ratio (molar ratio) in a range from 200 to 1,000, and a catalyst for exhaust gas purification containing said adsorbent for hydrocarbons.
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Goto Hideki
Okumura Akihisa
Brunsman David M.
Buchanan & Ingersoll & Rooney PC
ICT Co., Ltd.
International Catalyst Technology Inc.
Johnson Kevin M
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